Pre-operative 1. Blood tests will be taken on an empty stomach at 5:00 a.m. on the morning of the next day of admission, and the nurse will accompany the patient to X-ray and ultrasound examinations at around 9:00 a.m. When all the pre-operative preparations are ready, the doctor will decide on the date of surgery. 2.The morning before the operation, the morning of blood sampling cross, skin test, skin preparation and other preparations. 3.You can eat at noon and have a full intestinal irrigation at around 3:00 p.m. The stool will be cleared as much as possible before 8:00 p.m. Dinner fasting, but can drink sugar boiled water, 8 pm to 8 pm before the operation fasting food and water. Jiaxing Second Hospital, Department of Anal Surgery, Li Senjuan 4, remove ornaments, watches, dentures and other things. 5.Change the patient’s clothes and pants (wear close to the body) before 6 am and wait in the ward for the operating room workers to pick up to the operating room. 6.Place the lap band on the bed, do not bring it into the operating room. 7.Do not have many family members accompanying you during hospitalization, and hope to comply with the hospital chaperone visiting system. Post-operative 1. Lie flat on your back for 6 hours with pillow removed, and fasting and water fasting, depending on the nature of the surgery, the nurse in charge of you will tell you when you can eat and what kind of food to eat. If you feel that your mouth is dry, you can use cotton swabs to moisten your lips. After 6 hours, you can move your limbs and turn over. 2. On the first day after the operation, you can change your body with the help of the nurse, pat your back, change your clean clothes and prevent you from getting cold. Your nutrition by intravenous supply, do not worry, after surgery as much as possible to promote the early recovery of intestinal motility, to prevent intestinal adhesions.